There should be a space after the +x.
If you still can't get it to work, you can instead download a Mac version of the OHRRPGCE (the engine the game was made with) and use it to run the .rpg file from any of the downloads (it's inside franken.app).
There should be a space after the +x.
If you still can't get it to work, you can instead download a Mac version of the OHRRPGCE (the engine the game was made with) and use it to run the .rpg file from any of the downloads (it's inside franken.app).